MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of embedded URLs pointing to various domains, many of which appear to be on compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://allmassage.net/upload/file/20210607063625.pdf
- http://popnmusic.fr/userfiles/file/41162298612.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16089e37d0a74a---vepavakarusivuvanibomiwas.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/83d3688cb36da7c8e85eee9900d4b20f/mozarujutizilasuvo.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e92ab38d549---32809007550.pdf
- https://esperanzadeavila.com/fotos/file/63888404522.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/2fjmdi5p3ilafjvc6a4lmajle1/9727272645.pdf
- http://packamate.com/userfiles/radagiruzudeboxo.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3e29b6f86---zajojoguvelovanuwiwus.pdf
- https://nadinerogger.ch/userfiles/files/64713739686.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b76d82cceda---26467151714.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc816ea775---83573995813.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1606e9274ccacf---bipuvuraguvo.pdf
- https://eletvital.hu/uploads/files/64855720358.pdf
- https://baxsporthorses.nl/userfiles/file/bowuvenodakaligal.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/hmau128elfj4be2d06pkb9t8v4/13611425539.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32db87b26e---84967491065.pdf
- http://atut-biuro.com/uploaded/file/mowiniwuxe.pdf
- http://munnarinfo.in/userfiles/file/57368887357.pdf
- https://stijsr.com/userfiles/file/tifugadovu.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/e864fc20b79ecd97b1d767c9c4889dfb/75183853460.pdf
- http://2ds-creations.fr/userfiles/file/patukisabugaguzunoj.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/54798939ccc1fe5324793b35efefae5d/69652652744.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/ofh6ccndo76cq76uii28q677k2/11207501633.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=black+hair+with+blond+roots
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001001d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001D | 16792 bytes |
font_01_sfnt_off00011834.bin8545ed7bbd589cf5cde4c0834f5007e4a1aadb05e8a5937914b083a66cd4b5b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11834 | 10704 bytes |
font_02_sfnt_off000130ca.bin6d2062f3421e80c110a31e456c963829e124954f100935e20d7786f31cb1fd30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CA | 17132 bytes |
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